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annotate src/plugins/plugin_xep_0047.py @ 2145:33c8c4973743

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core (plugins): added missing contants + use of new constants in PLUGIN_INFO
author Goffi <goffi@goffi.org>
date Sun, 12 Feb 2017 18:59:10 +0100
parents 1d3f73e065e1
children 8b37a62336c3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1934
2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT plugin for managing gateways (xep-0047)
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5 # Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from sat.core.i18n import _
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21 from sat.core.log import getLogger
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22 log = getLogger(__name__)
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23 from sat.core.constants import Const as C
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24 from sat.core import exceptions
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25 from twisted.words.protocols.jabber import jid
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26 from twisted.words.protocols.jabber import xmlstream
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27 from twisted.words.protocols.jabber import error
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28 from twisted.internet import reactor
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29 from twisted.internet import defer
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30 from twisted.python import failure
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32 from wokkel import disco, iwokkel
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34 from zope.interface import implements
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36 import base64
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37
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38 try:
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39 from twisted.words.protocols.xmlstream import XMPPHandler
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40 except ImportError:
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41 from wokkel.subprotocols import XMPPHandler
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42
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43 MESSAGE = '/message'
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44 IQ_SET = '/iq[@type="set"]'
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45 NS_IBB = 'http://jabber.org/protocol/ibb'
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46 IBB_OPEN = IQ_SET + '/open[@xmlns="' + NS_IBB + '"]'
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47 IBB_CLOSE = IQ_SET + '/close[@xmlns="' + NS_IBB + '" and @sid="{}"]'
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48 IBB_IQ_DATA = IQ_SET + '/data[@xmlns="' + NS_IBB + '" and @sid="{}"]'
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49 IBB_MESSAGE_DATA = MESSAGE + '/data[@xmlns="' + NS_IBB + '" and @sid="{}"]'
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50 TIMEOUT = 120 # timeout for workflow
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51 DEFER_KEY = 'finished' # key of the deferred used to track session end
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52
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53 PLUGIN_INFO = {
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54 C.PI_NAME: "In-Band Bytestream Plugin",
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55 C.PI_IMPORT_NAME: "XEP-0047",
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56 C.PI_TYPE: "XEP",
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57 C.PI_PROTOCOLS: ["XEP-0047"],
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58 C.PI_MAIN: "XEP_0047",
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59 C.PI_HANDLER: "yes",
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60 C.PI_DESCRIPTION: _("""Implementation of In-Band Bytestreams""")
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61 }
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62
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63
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64 class XEP_0047(object):
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65 NAMESPACE = NS_IBB
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66 BLOCK_SIZE = 4096
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67
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68 def __init__(self, host):
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69 log.info(_("In-Band Bytestreams plugin initialization"))
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70 self.host = host
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71
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72 def getHandler(self, client):
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73 return XEP_0047_handler(self)
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74
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75 def profileConnected(self, client):
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76 client.xep_0047_current_stream = {} # key: stream_id, value: data(dict)
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77
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78 def _timeOut(self, sid, client):
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79 """Delete current_stream id, called after timeout
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80
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81 @param sid(unicode): session id of client.xep_0047_current_stream
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82 @param client: %(doc_client)s
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83 """
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84 log.info(u"In-Band Bytestream: TimeOut reached for id {sid} [{profile}]"
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85 .format(sid=sid, profile=client.profile))
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86 self._killSession(sid, client, "TIMEOUT")
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87
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88 def _killSession(self, sid, client, failure_reason=None):
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89 """Delete a current_stream id, clean up associated observers
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90
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91 @param sid(unicode): session id
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92 @param client: %(doc_client)s
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93 @param failure_reason(None, unicode): if None the session is successful
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94 else, will be used to call failure_cb
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95 """
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96 try:
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97 session = client.xep_0047_current_stream[sid]
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98 except KeyError:
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99 log.warning(u"kill id called on a non existant id")
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100 return
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101
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102 try:
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103 observer_cb = session['observer_cb']
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104 except KeyError:
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105 pass
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106 else:
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107 client.xmlstream.removeObserver(session["event_data"], observer_cb)
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108
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109 if session['timer'].active():
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110 session['timer'].cancel()
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111
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112 del client.xep_0047_current_stream[sid]
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113
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114 success = failure_reason is None
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115 stream_d = session[DEFER_KEY]
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116
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117 if success:
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118 stream_d.callback(None)
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119 else:
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120 stream_d.errback(failure.Failure(exceptions.DataError(failure_reason)))
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121
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122 def createSession(self, *args, **kwargs):
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Goffi <goffi@goffi.org>
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123 """like [_createSession] but return the session deferred instead of the whole session
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124
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125 session deferred is fired when transfer is finished
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
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126 """
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Goffi <goffi@goffi.org>
parents: 1409
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127 return self._createSession(*args, **kwargs)[DEFER_KEY]
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Goffi <goffi@goffi.org>
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128
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
129 def _createSession(self, file_obj, to_jid, sid, profile):
384
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130 """Called when a bytestream is imminent
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131
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Goffi <goffi@goffi.org>
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132 @param file_obj(file): File object where data will be written
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Goffi <goffi@goffi.org>
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133 @param to_jid(jid.JId): jid of the other peer
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Goffi <goffi@goffi.org>
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134 @param sid(unicode): session id
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Goffi <goffi@goffi.org>
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135 @param profile: %(doc_profile)s
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
136 @return (dict): session data
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Goffi <goffi@goffi.org>
parents: 1409
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137 """
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138 client = self.host.getClient(profile)
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139 if sid in client.xep_0047_current_stream:
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
140 raise exceptions.ConflictError(u'A session with this id already exists !')
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
141 session_data = client.xep_0047_current_stream[sid] = \
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parents: 1409
diff changeset
142 {'id': sid,
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
143 DEFER_KEY: defer.Deferred(),
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
144 'to': to_jid,
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
145 'file_obj': file_obj,
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parents: 1409
diff changeset
146 'seq': -1,
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Goffi <goffi@goffi.org>
parents: 1409
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147 'timer': reactor.callLater(TIMEOUT, self._timeOut, sid, client),
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148 }
384
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149
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150 return session_data
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151
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
152 def _onIBBOpen(self, iq_elt, profile):
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diff changeset
153 """"Called when an IBB <open> element is received
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154
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diff changeset
155 @param iq_elt(domish.Element): the whole <iq> stanza
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156 @param profile: %(doc_profile)s
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Goffi <goffi@goffi.org>
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157 """
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parents: 1409
diff changeset
158 log.debug(_(u"IBB stream opening"))
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parents: 1409
diff changeset
159 iq_elt.handled = True
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parents: 536
diff changeset
160 client = self.host.getClient(profile)
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161 open_elt = iq_elt.elements(NS_IBB, 'open').next()
384
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parents:
diff changeset
162 block_size = open_elt.getAttribute('block-size')
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parents:
diff changeset
163 sid = open_elt.getAttribute('sid')
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Goffi <goffi@goffi.org>
parents:
diff changeset
164 stanza = open_elt.getAttribute('stanza', 'iq')
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
165 if not sid or not block_size or int(block_size) > 65535:
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166 return self._sendError('not-acceptable', sid or None, iq_elt, client)
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Goffi <goffi@goffi.org>
parents: 536
diff changeset
167 if not sid in client.xep_0047_current_stream:
1409
3265a2639182 massive (preventive) addition of 'u' (unicode) before the strings passed to logging functions
souliane <souliane@mailoo.org>
parents: 1396
diff changeset
168 log.warning(_(u"Ignoring unexpected IBB transfer: %s" % sid))
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diff changeset
169 return self._sendError('not-acceptable', sid or None, iq_elt, client)
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
170 session_data = client.xep_0047_current_stream[sid]
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
171 if session_data["to"] != jid.JID(iq_elt['from']):
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parents: 941
diff changeset
172 log.warning(_("sended jid inconsistency (man in the middle attack attempt ?)"))
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diff changeset
173 return self._sendError('not-acceptable', sid, iq_elt, client)
384
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parents:
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174
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diff changeset
175 # at this stage, the session looks ok and will be accepted
384
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176
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177 # we reset the timeout:
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178 session_data["timer"].reset(TIMEOUT)
384
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179
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180 # we save the xmlstream, events and observer data to allow observer removal
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
181 session_data["event_data"] = event_data = (IBB_MESSAGE_DATA if stanza == 'message' else IBB_IQ_DATA).format(sid)
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
182 session_data["observer_cb"] = observer_cb = self._onIBBData
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
183 event_close = IBB_CLOSE.format(sid)
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
184 # we now set the stream observer to look after data packet
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diff changeset
185 # FIXME: if we never get the events, the observers stay.
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
186 # would be better to have generic observer and check id once triggered
594
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
187 client.xmlstream.addObserver(event_data, observer_cb, profile=profile)
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diff changeset
188 client.xmlstream.addOnetimeObserver(event_close, self._onIBBClose, profile=profile)
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diff changeset
189 # finally, we send the accept stanza
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parents: 1409
diff changeset
190 iq_result_elt = xmlstream.toResponse(iq_elt, 'result')
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Goffi <goffi@goffi.org>
parents: 1934
diff changeset
191 client.send(iq_result_elt)
384
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192
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193 def _onIBBClose(self, iq_elt, profile):
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diff changeset
194 """"Called when an IBB <close> element is received
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Goffi <goffi@goffi.org>
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195
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diff changeset
196 @param iq_elt(domish.Element): the whole <iq> stanza
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diff changeset
197 @param profile: %(doc_profile)s
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Goffi <goffi@goffi.org>
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198 """
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diff changeset
199 iq_elt.handled = True
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Goffi <goffi@goffi.org>
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diff changeset
200 client = self.host.getClient(profile)
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
201 log.debug(_("IBB stream closing"))
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diff changeset
202 close_elt = iq_elt.elements(NS_IBB, 'close').next()
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
203 # XXX: this observer is only triggered on valid sid, so we don't need to check it
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parents: 1409
diff changeset
204 sid = close_elt['sid']
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diff changeset
205
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diff changeset
206 iq_result_elt = xmlstream.toResponse(iq_elt, 'result')
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Goffi <goffi@goffi.org>
parents: 1934
diff changeset
207 client.send(iq_result_elt)
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diff changeset
208 self._killSession(sid, client)
384
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parents:
diff changeset
209
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diff changeset
210 def _onIBBData(self, element, profile):
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diff changeset
211 """Observer called on <iq> or <message> stanzas with data element
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diff changeset
212
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diff changeset
213 Manage the data elelement (check validity and write to the file_obj)
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diff changeset
214 @param element(domish.Element): <iq> or <message> stanza
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diff changeset
215 @param profile: %(doc_profile)s
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Goffi <goffi@goffi.org>
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diff changeset
216 """
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
217 element.handled = True
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diff changeset
218 client = self.host.getClient(profile)
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diff changeset
219 data_elt = element.elements(NS_IBB, 'data').next()
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parents: 1409
diff changeset
220 sid = data_elt['sid']
384
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parents:
diff changeset
221
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Goffi <goffi@goffi.org>
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diff changeset
222 try:
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
223 session_data = client.xep_0047_current_stream[sid]
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
224 except KeyError:
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
225 log.warning(_(u"Received data for an unknown session id"))
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
226 return self._sendError('item-not-found', None, element, client)
384
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parents:
diff changeset
227
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parents: 1409
diff changeset
228 from_jid = session_data["to"]
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
229 file_obj = session_data["file_obj"]
384
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parents:
diff changeset
230
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parents: 1409
diff changeset
231 if from_jid.full() != element['from']:
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
232 log.warning(_(u"sended jid inconsistency (man in the middle attack attempt ?)\ninitial={initial}\ngiven={given}").format(initial=from_jid, given=element['from']))
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
233 if element.name == 'iq':
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
234 self._sendError('not-acceptable', sid, element, client)
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
235 return
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
236
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
237 session_data["seq"] = (session_data["seq"] + 1) % 65535
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
238 if int(data_elt.getAttribute("seq", -1)) != session_data["seq"]:
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
239 log.warning(_(u"Sequence error"))
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
240 if element.name == 'iq':
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
241 reason = 'not-acceptable'
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
242 self._sendError(reason, sid, element, client)
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
243 self.terminateStream(session_data, client, reason)
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
244 return
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
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parents:
diff changeset
245
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diff changeset
246 # we reset the timeout:
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
247 session_data["timer"].reset(TIMEOUT)
384
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Goffi <goffi@goffi.org>
parents:
diff changeset
248
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Goffi <goffi@goffi.org>
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diff changeset
249 # we can now decode the data
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
250 try:
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
251 file_obj.write(base64.b64decode(str(data_elt)))
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
252 except TypeError:
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
253 # The base64 data is invalid
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
254 log.warning(_(u"Invalid base64 data"))
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
255 if element.name == 'iq':
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
256 self._sendError('not-acceptable', sid, element, client)
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
257 self.terminateStream(session_data, client, reason)
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
258 return
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
259
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diff changeset
260 # we can now ack success
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
261 if element.name == 'iq':
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
262 iq_result_elt = xmlstream.toResponse(element, 'result')
2129
6a66c8c5a567 core: replaced calls to client.xmlstream.send by client.send which is the right method to use. client.xmlstream should not be used directly
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
263 client.send(iq_result_elt)
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Goffi <goffi@goffi.org>
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diff changeset
264
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
265 def _sendError(self, error_condition, sid, iq_elt, client):
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Goffi <goffi@goffi.org>
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diff changeset
266 """Send error stanza
384
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Goffi <goffi@goffi.org>
parents:
diff changeset
267
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diff changeset
268 @param error_condition: one of twisted.words.protocols.jabber.error.STANZA_CONDITIONS keys
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
269 @param sid(unicode,None): jingle session id, or None, if session must not be destroyed
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diff changeset
270 @param iq_elt(domish.Element): full <iq> stanza
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diff changeset
271 @param client: %(doc_client)s
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Goffi <goffi@goffi.org>
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diff changeset
272 """
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
273 iq_elt = error.StanzaError(error_condition).toResponse(iq_elt)
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
274 log.warning(u"Error while managing in-band bytestream session, cancelling: {}".format(error_condition))
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
275 if sid is not None:
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
276 self._killSession(sid, client, error_condition)
2129
6a66c8c5a567 core: replaced calls to client.xmlstream.send by client.send which is the right method to use. client.xmlstream should not be used directly
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
277 client.send(iq_elt)
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Goffi <goffi@goffi.org>
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diff changeset
278
1558
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Goffi <goffi@goffi.org>
parents: 1524
diff changeset
279 def startStream(self, file_obj, to_jid, sid, block_size=None, profile=C.PROF_KEY_NONE):
384
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Goffi <goffi@goffi.org>
parents:
diff changeset
280 """Launch the stream workflow
1524
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diff changeset
281
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Goffi <goffi@goffi.org>
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diff changeset
282 @param file_obj(file): file_obj to send
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
283 @param to_jid(jid.JID): JID of the recipient
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
284 @param sid(unicode): Stream session id
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
285 @param block_size(int, None): size of the block (or None for default)
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
286 @param profile: %(doc_profile)s
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
287 """
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
288 session_data = self._createSession(file_obj, to_jid, sid, profile)
538
2c4016921403 core, frontends, bridgen plugins: fixed methods which were unproperly managing multi-profiles
Goffi <goffi@goffi.org>
parents: 536
diff changeset
289 client = self.host.getClient(profile)
1524
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diff changeset
290
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
291 if block_size is None:
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
292 block_size = XEP_0047.BLOCK_SIZE
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
293 assert block_size <= 65535
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
294 session_data["block_size"] = block_size
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Goffi <goffi@goffi.org>
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diff changeset
295
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Goffi <goffi@goffi.org>
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diff changeset
296 iq_elt = client.IQ()
384
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Goffi <goffi@goffi.org>
parents:
diff changeset
297 iq_elt['to'] = to_jid.full()
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
298 open_elt = iq_elt.addElement((NS_IBB, 'open'))
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
299 open_elt['block-size'] = str(block_size)
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
300 open_elt['sid'] = sid
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
301 open_elt['stanza'] = 'iq' # TODO: manage <message> stanza ?
1578
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
302 args = [session_data, client]
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
303 d = iq_elt.send()
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
304 d.addCallbacks(self._IQDataStreamCb, self._IQDataStreamEb, args, None, args)
1558
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Goffi <goffi@goffi.org>
parents: 1524
diff changeset
305 return session_data[DEFER_KEY]
384
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Goffi <goffi@goffi.org>
parents:
diff changeset
306
1578
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
307 def _IQDataStreamCb(self, iq_elt, session_data, client):
1524
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parents: 1409
diff changeset
308 """Called during the whole data streaming
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Goffi <goffi@goffi.org>
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diff changeset
309
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diff changeset
310 @param iq_elt(domish.Element): iq result
1524
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parents: 1409
diff changeset
311 @param session_data(dict): data of this streaming session
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Goffi <goffi@goffi.org>
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diff changeset
312 @param client: %(doc_client)s
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
313 """
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
314 session_data["timer"].reset(TIMEOUT)
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 585
diff changeset
315
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
316 buffer_ = session_data["file_obj"].read(session_data["block_size"])
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
317 if buffer_:
1578
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
318 next_iq_elt = client.IQ()
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
319 next_iq_elt['to'] = session_data["to"].full()
1578
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
320 data_elt = next_iq_elt.addElement((NS_IBB, 'data'))
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
321 seq = session_data['seq'] = (session_data['seq'] + 1) % 65535
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
322 data_elt['seq'] = unicode(seq)
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
323 data_elt['sid'] = session_data['id']
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
324 data_elt.addContent(base64.b64encode(buffer_))
1578
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
325 args = [session_data, client]
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
326 d = next_iq_elt.send()
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
327 d.addCallbacks(self._IQDataStreamCb, self._IQDataStreamEb, args, None, args)
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
328 else:
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
329 self.terminateStream(session_data, client)
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
330
1578
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
331 def _IQDataStreamEb(self, failure, session_data, client):
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
332 if failure.check(error.StanzaError):
1583
d46aae87c03a plugins XEP-0047, XEP-0065, XEP-0096: fixed use of failure.condition insteand of failure.value + removed gettext use for local logs
Goffi <goffi@goffi.org>
parents: 1578
diff changeset
333 log.warning(u"IBB transfer failed: {}".format(failure.value))
1578
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
334 else:
1583
d46aae87c03a plugins XEP-0047, XEP-0065, XEP-0096: fixed use of failure.condition insteand of failure.value + removed gettext use for local logs
Goffi <goffi@goffi.org>
parents: 1578
diff changeset
335 log.error(u"IBB transfer failed: {}".format(failure.value))
1578
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
336 self.terminateStream(session_data, client, "IQ_ERROR")
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
337
1524
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Goffi <goffi@goffi.org>
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diff changeset
338 def terminateStream(self, session_data, client, failure_reason=None):
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
339 """Terminate the stream session
1524
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Goffi <goffi@goffi.org>
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diff changeset
340
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
341 @param session_data(dict): data of this streaming session
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
342 @param client: %(doc_client)s
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
343 @param failure_reason(unicode, None): reason of the failure, or None if steam was successful
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
344 """
1578
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
345 iq_elt = client.IQ()
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
346 iq_elt['to'] = session_data["to"].full()
1578
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
347 close_elt = iq_elt.addElement((NS_IBB, 'close'))
1524
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
348 close_elt['sid'] = session_data['id']
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
349 iq_elt.send()
1524
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
350 self._killSession(session_data['id'], client, failure_reason)
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
351
594
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
352
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
353 class XEP_0047_handler(XMPPHandler):
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
354 implements(iwokkel.IDisco)
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 585
diff changeset
355
594
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
356 def __init__(self, parent):
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
357 self.plugin_parent = parent
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 585
diff changeset
358
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
359 def connectionInitialized(self):
1524
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
360 self.xmlstream.addObserver(IBB_OPEN, self.plugin_parent._onIBBOpen, profile=self.parent.profile)
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
361
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
362 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
363 return [disco.DiscoFeature(NS_IBB)]
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
364
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
365 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
366 return []